Core Viewpoint - Rigetti Computing has secured an $8.4 million purchase order to deliver a 108-qubit quantum computer to the Centre for Development of Advanced Computing (C-DAC) in India, highlighting the increasing demand for on-premises quantum computing systems as governments prioritize quantum technology [1][3]. Company Overview - Rigetti Computing is a pioneer in full-stack quantum computing, utilizing superconducting qubits, which are recognized for their scalability and fast gate speeds, achieving 50-70 nanoseconds, significantly faster than other modalities [5]. - The company operates quantum computers through its Rigetti Quantum Cloud Services (QCS) platform, providing high-performance integration with public and private clouds for practical quantum computing [7]. - Rigetti's systems range from 9-qubit to 180-qubit quantum computing systems, designed to support national laboratories and quantum computing centers [6]. Partnership and Development - The order from C-DAC builds on an existing partnership, with a memorandum of understanding signed in September 2025 to co-develop hybrid quantum computing systems for government laboratories and academic research [4]. - Rigetti's proprietary chiplet-based architecture is central to its strategy for scaling to high qubit count systems necessary for error correction and fault-tolerant quantum computing [2]. C-DAC Overview - The Centre for Development of Advanced Computing (C-DAC) is a premier R&D institution under the Ministry of Electronics and Information Technology in India, focusing on enhancing national technological capabilities and responding to market needs in information technology [9][10]. - C-DAC is engaged in significant projects in quantum technologies, including the development of quantum accelerators and a national quantum computing reference facility [12].

Core Insights - Rigetti Computing is revising its roadmap and adjusting the general availability date for its 108-qubit quantum computing system, Cepheus™-1-108Q, now expected by the end of Q1 2026 [1] Group 1: System Development and Performance - The company is making strong progress with Cepheus-1-108Q but is taking additional time to test and optimize the system to meet performance standards [2] - Rigetti aims to achieve a median two-qubit gate fidelity of 99.5% and has reported current fidelities of 99% for the 108-qubit system, 99.7% for the 9-qubit system, and 99.6% for the 36-qubit system [2] - Cepheus-1-108Q is based on twelve 9-qubit chiplets and utilizes Rigetti's proprietary modular chip architecture, making it the highest qubit count system to date and the largest modular quantum computing system in the industry [2] Group 2: Technology and Infrastructure - Rigetti's quantum computers are based on superconducting qubits, which are considered the leading qubit modality due to their maturity, scalability, and fast gate speeds [3] - The current gate speeds for Rigetti's quantum computing systems range from 50-70 nanoseconds, which is approximately 1,000 times faster than other modalities like ion traps and neutral atoms [3] - The company operates quantum computers via its Rigetti Quantum Cloud Services (QCS) platform, providing high-performance integration with public and private clouds for practical quantum computing [4] Group 3: Product Offerings - Rigetti sells on-premises quantum computing systems ranging from 9 to 108 qubits, supporting national laboratories and quantum computing centers [5] - The 9-qubit Novera QPU is designed for high-performance, on-premises use, allowing integration with existing cryogenic and control systems [5] - Rigetti developed the industry's first multi-chip quantum processor for scalable systems and deployed the largest multi-chip quantum computer in 2025 with Cepheus-1-36Q [6]